Home / 146,923.20-220,125.60-120,484.80

Finding the Fourth Proportional to 146,923.20, 220,125.60 and 120,484.80

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Solution

The fourth proportional to 146,923.20, 220,125.60 and 120,484.80 is: 180,514.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,923.20 : 220,125.60 = 120,484.80 : x
  2. Step 2: Convert to fraction form
    146,923.20/220,125.60 = 120,484.80/x
  3. Step 3: Cross multiply
    146,923.20x = 220,125.60 × 120,484.80
  4. Step 4: Simplify right side
    146,923.20x = 26,521,788,890.88
  5. Step 5: Solve for x
    x = 26,521,788,890.88/146,923.20
  6. Step 6: Final answer
    x = 180,514.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.